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Merck

PHR1398

Supelco

Betamethason

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(e):

Betamethason, 9α-Fluor-11β,17α,21-trihydroxy-16β-methylpregna-1,4-dien-3,20-dion, 9α-Fluor-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadien-3,20-dion, 9α-Fluor-16β-methylprednisolon

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About This Item

Empirische Formel (Hill-System):
C22H29FO5
CAS-Nummer:
Molekulargewicht:
392.46
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
41116107
PubChem Substanz-ID:
NACRES:
NA.24

Biologische Quelle

synthetic

Qualitätsniveau

Qualität

certified reference material
pharmaceutical secondary standard

Agentur

BP
EP
USP
traceable to BP 575
traceable to Ph. Eur. B1000000
traceable to USP 1066009

Dampfdruck

<0.0000001 kPa ( 25 °C)

API-Familie

betamethasone

Analysenzertifikat (CofA)

current certificate can be downloaded

Verpackung

pkg of 1 g

Lagerbedingungen

protect from light (20 mm aluminium crimp seal for unused portion)

Methode(n)

HPLC: suitable
gas chromatography (GC): suitable

Farbe

white to light yellow

mp (Schmelzpunkt)

235-237 °C (lit.)

Löslichkeit

acetone: sparingly soluble
chloroform: very slightly soluble
ethanol: sparingly soluble
ether: very slightly soluble
methanol: sparingly soluble
water: insoluble

Dichte

0.305 g/cm3 at 25 °C (77°F)

Anwendung(en)

pharmaceutical (small molecule)

Format

neat

Versandbedingung

ambient

Lagertemp.

2-30°C

SMILES String

[H][C@@]12C[C@H](C)[C@](O)(C(=O)CO)[C@@]1(C)C[C@H](O)[C@@]3(F)[C@@]2([H])CCC4=CC(=O)C=C[C@]34C

InChI

1S/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15-,16-,17-,19-,20-,21-,22-/m0/s1

InChIKey

UREBDLICKHMUKA-DVTGEIKXSA-N

Angaben zum Gen

human ... NR3C1(2908)

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Allgemeine Beschreibung

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Betamethasone belongs to the corticosteriod family of active pharmaceutical ingredients (APIs). It exhibits anti-inflammatory activity and hence is used in the manufacture of various finished pharmaceutical products and is also employed as a starting material to manufacture other APIs that are related to this steroid family.

Anwendung

Betamethasone may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations by using micellar liquid chromatography technique and reversed-phase high-performance liquid chromatography technique.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Hinweis zur Analyse

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

Sonstige Hinweise

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Fußnote

To see an example of a Certificate of Analysis for this material enter LRAA2174 in the slot below. This is an example certificate only and may not be the lot that you receive.

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Preisangaben

Piktogramme

Health hazard

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Repr. 1B - STOT RE 2

Zielorgane

Liver,Kidney,Endocrine system

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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Simultaneous determination of dexamethasone and betamethasone in pharmaceuticals by reversed-phase HPLC
Pena-Garcia-Brioles D, et al.
Chromatographia, 39(9), 539-542 (1994)
Development and validation of a stability-indicating RP-HPLC method for assay of betamethasone and estimation of its related compounds
Fu Q, et al.
Journal of Pharmaceutical and Biomedical Analysis, 51(3), 617-625 (2010)
Development and validation of a stability-indicating RP-HPLC method to separate low levels of dexamethasone and other related compounds from betamethasone
Xiong Y, et al.
Journal of Pharmaceutical and Biomedical Analysis, 49(3), 646-654 (2009)
Method development for betamethasone and dexamethasone by micellar liquid chromatography using cetyl trimethyl ammonium bromide and validation in tablets: Application to cocktails
Pena-Garcia-Brioles D, et al.
Journal of Pharmaceutical and Biomedical Analysis, 36(1), 65-71 (2004)
Brian W Blakley et al.
The Laryngoscope, 124(5), 1209-1213 (2013-10-22)
To determine whether betamethasone (BM) reduces the cochlear toxicity of otic gentamicin (GM) if given together. Controlled animal study. Thirty-four mice were assigned at random to receive intratympanic injections of either 0.1 % BM (11 mice), 0.3% GM (13 mice)

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